Brackebuschite

brackebuschite

descloizite

vanadinite

wulfenite

Images

Formula: Pb2Mn3+(VO4)2(OH)
Hydrated normal vanadate, manganese-bearing mineral, brackebuschite group
Specific gravity: 6.05
Hardness: 4 to 5
Streak: Yellow
Colour: Dark brown to black, reddish brown in transmitted light
Environments:

Hydrothermal environments

Brackebuschite is a rare secondary mineral in the oxidised zone of hydrothermal lead-zinc deposits. Associated minerals include descloizite, vanadinite, wulfenite and cerussite (HOM, Mindat).

Localities

At the type locality, the Venus mine, Venus Pb-Zn deposit, El Guaico mining district, Sierra de Córdoba, Punilla Department, Córdoba Province, Argentina, brackebuschite occurs in oxidised hydrothermal veins in a lead-zinc deposit, associated with descloizite and vanadinite (Dana, Mindat).

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